CN102997361B - Subway station ground - Google Patents
Subway station ground Download PDFInfo
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- CN102997361B CN102997361B CN201210585495.XA CN201210585495A CN102997361B CN 102997361 B CN102997361 B CN 102997361B CN 201210585495 A CN201210585495 A CN 201210585495A CN 102997361 B CN102997361 B CN 102997361B
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Abstract
The invention provides a kind of subway station ground, comprise: earth source heat pump unit, ground heat exchanger, storage tank, some subway stations air conditioning terminal and some neighboring buildings air conditioning terminals, earth source heat pump unit comprises ground source heat exchanger and load-side heat exchanger, ground heat exchanger is connected with ground source heat exchanger, storage tank is all connected with load-side heat exchanger by pipeline with subway station air conditioning terminal, and storage tank and the parallel connection of subway station air conditioning terminal, neighboring buildings air conditioning terminal is connected with storage tank by pipeline.The present invention can meet subway station air conditioner load demand, has that noise is low, good economy performance, the scope of application are extensive, energy-efficient, stable advantage.
Description
Technical field
The present invention relates to building energy saving noise reduction technology field, particularly, relate to a kind of subway station ground.
Background technology
Traffic above-ground is crowded has become China's ubiquitous outstanding problem in many cities.Subway is large with its freight volume, speed is fast, the time is accurate, pollute less, the advantage such as safety and comfort, day by day becomes the inevitable choice improving urban traffic conditions.
Subway station build the bustling location in city mostly in, and the cooling tower adopted in current subway environment design exists, and floor space is large, noise is large, caloric value is high, the shortcoming large to ambient influnence, is not suitable for using in many bustling locations.Geothermal heat pump air-conditioning system, meeting on the basis that comfortableness requires, also has environmental protection, energy-conservation, efficient, low noise, without the need to cooling tower, to features such as ground Influence on Architecture are less, is applicable to replacing conventional cooling water air conditioner system and applies in subway station.But most underground subway station only needs cooling in summer, winter, the unbalance rate of heat causing ground heat exchanger surrounding soil was large, brings larger difficulty to the use of earth source heat pump without heating demands.Therefore, be necessary to carry out certain optimization to earth-source hot-pump system or its operation method, reduce the unbalance rate of heat of ground heat exchanger surrounding soil.
Chinese Patent Application No. is that the utility model patent of CN201020046907.9 discloses a kind of Novel GSHP air-conditioning system, and this system utilizes cooling tower to carry out assisted ground source heat pump, thus solves the unbalance problem of ground heat exchanger surrounding soil heat.But this system still have selected cooling tower, noise is comparatively large, and be not suitable for the application of subway station, downtown area, in addition, this air-conditioning system in the winter time utilization rate is low, and economy is poor.
In sum, design a kind of effectively can meet subway station air conditioner load demand and the geothermal heat pump air-conditioning system that noise is little, economy is high be badly in need of in the air conditioner energy saving design and operation of subway station solve technical problem.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of subway station ground, the present invention is applicable to underground subway station, effectively can meet air conditioner load and the noise reduction demand of subway station, and good economy performance.
According to an aspect of the present invention, a kind of subway station ground is provided, comprise: earth source heat pump unit, ground heat exchanger, storage tank, some subway stations air conditioning terminal and some neighboring buildings air conditioning terminals, earth source heat pump unit comprises ground source heat exchanger and load-side heat exchanger, ground heat exchanger is connected with ground source heat exchanger, storage tank is all connected with load-side heat exchanger by pipeline with subway station air conditioning terminal, and storage tank and the parallel connection of subway station air conditioning terminal, neighboring buildings air conditioning terminal is connected with storage tank by pipeline.
Preferably, this subway station ground also comprises some subway stations air conditioning terminal by-pass valve control and some neighboring buildings air conditioning terminal by-pass valve controls, subway station air conditioning terminal by-pass valve control is arranged on the pipeline between load-side heat exchanger and subway station air conditioning terminal, and neighboring buildings air conditioning terminal by-pass valve control is arranged on the pipeline between load-side heat exchanger and storage tank.
Preferably, this earth source heat pump unit also comprises: compressor, choke valve and four-way change-over valve, ground source heat exchanger, four-way change-over valve are connected successively with load-side heat exchanger, and compressor is connected with four-way change-over valve, and choke valve is connected with ground source heat exchanger and load-side heat exchanger respectively.
Operation principle of the present invention is as follows: summer cooling operating mode, and earth source heat pump unit load-side heat exchanger is connected with subway station air conditioning terminal, is subway station cooling; Winter heat supply operating mode, earth source heat pump unit load-side heat exchanger is connected with neighboring buildings air conditioning terminal through storage tank, is neighboring buildings heat supply.
Compared with prior art, the present invention has following beneficial effect: the present invention adopts storage tank, avoids the use of conventional chilling tower, greatly reduces system noise, and reduces floor space.In addition, the present invention subway station winter without heating demands time, be neighboring buildings heating, the heat reducing ground heat exchanger surrounding soil is unbalance, promotes that earth source heat pump is large in load fluctuations such as subway stations, applying in the uneven building of cooling and heating load.In sum, the present invention can meet subway station air conditioner load demand, has that noise is low, good economy performance, the scope of application are extensive, energy-efficient, stable advantage.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structural representation of subway station ground of the present invention;
Fig. 2 is the operation principle schematic diagram of the earth source heat pump unit of the embodiment of the present invention.
In figure: 1 is earth source heat pump unit, 2 is ground heat exchanger, and 3 is subway station air conditioning terminal, and 4 is storage tank, 5 is neighboring buildings air conditioning terminal, 6 is compressor, and 7 is ground source heat exchanger, and 8 is choke valve, 9 is load-side heat exchanger, 10 is four-way change-over valve, and 11 is subway station air conditioning terminal by-pass valve control, and 12 is neighboring buildings air conditioning terminal by-pass valve control.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
Refer to Fig. 1, a kind of subway station ground, comprising: earth source heat pump unit 1, ground heat exchanger 2, storage tank 4, some subway stations air conditioning terminal 3, some neighboring buildings air conditioning terminals 5, some subway stations air conditioning terminal by-pass valve control 11 and some neighboring buildings air conditioning terminal by-pass valve controls 12.Earth source heat pump unit 1 comprises ground source heat exchanger 7, load-side heat exchanger 9, compressor 6, choke valve 8 and four-way change-over valve 10, ground source heat exchanger 7, four-way change-over valve 10 are connected successively with load-side heat exchanger 9, compressor 6 is connected with four-way change-over valve 10, and choke valve 8 is connected with ground source heat exchanger 7 and load-side heat exchanger 9 respectively.Ground heat exchanger 2 is connected with ground source heat exchanger 7, storage tank 4 is all connected with load-side heat exchanger 9 by pipeline with subway station air conditioning terminal 3, and storage tank 4 and subway station air conditioning terminal 3 parallel connection, neighboring buildings air conditioning terminal 5 is connected with storage tank 4 by pipeline.Subway station air conditioning terminal by-pass valve control 11 is arranged on the pipeline between load-side heat exchanger 9 and subway station air conditioning terminal 3, and neighboring buildings air conditioning terminal by-pass valve control 12 is arranged on the pipeline between load-side heat exchanger 9 and storage tank 4.
As shown in Figure 2, it is the operation principle schematic diagram of earth source heat pump unit 1 of the present invention.Summer condition, in four-way change-over valve 10, a and d is connected, b and c is connected, ground source heat exchanger 7 is condenser, load-side heat exchanger 9 is evaporimeter, refrigerant circulating process is ground source heat exchanger 7-choke valve 8-load-side heat exchanger 9-four-way change-over valve 10(a-d)-compressor 6-four-way change-over valve 10(b-c)-ground source heat exchanger 7, the ground source heat exchanger 7 of earth source heat pump unit 1 sends heat to ground heat exchanger 2, soil is entered by ground heat exchanger 2, chilled water is sent into subway station air conditioning terminal 3 by load-side heat exchanger 9, for subway station building cooling.Winter condition, in four-way change-over valve 10, a and b is connected, c and d is connected, ground source heat exchanger 7 is evaporimeter, load-side heat exchanger 9 is condenser, refrigerant circulating process is ground source heat exchanger 7-four-way change-over valve 10(c-d)-compressor 6-four-way change-over valve 10(b-a)-load-side heat exchanger 9-choke valve 8-ground source heat exchanger 7, the ground source heat exchanger 7 of earth source heat pump unit 1 passes through ground heat exchanger 2 from soil absorption heat, hot water is sent into storage tank 4 by load-side heat exchanger 9, being sent to neighboring buildings air conditioning terminal 5 by storage tank 4 again, is neighboring buildings heating.
Principle of the present invention is exactly utilize the thermic load in subway station neighboring buildings winter to balance the refrigeration duty in subway station summer, thus makes earth-source hot-pump system can in subway station normal use.
In concrete enforcement, summer condition, subway station air conditioning terminal by-pass valve control 11 is opened, neighboring buildings air conditioning terminal by-pass valve control 12 is closed, ground heat exchanger 2 is to soil discharge heat, and earth source heat pump unit 1 produces the chilled water of low temperature, and is sent to subway station air conditioning terminal 3 by valve 11, reduce subway station environment temperature, meet subway station summer air-conditioning refrigeration duty demand.Winter condition, subway station does not need refrigeration, subway station air conditioning terminal by-pass valve control 11 is closed, neighboring buildings air conditioning terminal by-pass valve control 12 is opened, ground heat exchanger 2 is from soil absorption heat, and earth source heat pump unit 1 produces the hot water of high temperature, delivers to storage tank 4 through valve 12, buffering shunting rear push, toward the air conditioning terminal 5 of subway station neighboring buildings, is the building heating around subway station.
The neighboring buildings thermic load that earth source heat pump machine unit in winter of the present invention is born can reach 70% of subway station summer air-conditioning refrigeration duty, relative to the energy-provision way of chiller unit+boiler, this subway station ground operation reserve can save annual operating cost about 34%, and noiselessness pollutes.
The present invention adopts storage tank, avoids the use of conventional chilling tower, greatly reduces system noise, and reduces floor space.In addition, the present invention subway station winter without heating demands time, be neighboring buildings heating, the heat reducing ground heat exchanger surrounding soil is unbalance, promotes that earth source heat pump is large in load fluctuations such as subway stations, applying in the uneven building of cooling and heating load.In sum, the present invention can meet subway station air conditioner load demand, has that noise is low, good economy performance, the scope of application are extensive, energy-efficient, stable advantage.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (2)
1. a subway station ground, it is characterized in that, comprise: earth source heat pump unit, ground heat exchanger, storage tank, some subway stations air conditioning terminal, some neighboring buildings air conditioning terminals, some subway stations air conditioning terminal by-pass valve control and some neighboring buildings air conditioning terminal by-pass valve controls, described earth source heat pump unit comprises ground source heat exchanger and load-side heat exchanger, described ground heat exchanger is connected with described ground source heat exchanger, described storage tank and subway station air conditioning terminal are all connected with described load-side heat exchanger by pipeline, and described storage tank and the parallel connection of subway station air conditioning terminal, described neighboring buildings air conditioning terminal is connected with described storage tank by pipeline, described subway station air conditioning terminal by-pass valve control is arranged on the pipeline between described load-side heat exchanger and subway station air conditioning terminal, described neighboring buildings air conditioning terminal by-pass valve control is arranged on the pipeline between described load-side heat exchanger and storage tank.
2. subway station ground according to claim 1, it is characterized in that, described earth source heat pump unit also comprises: compressor, choke valve and four-way change-over valve, described ground source heat exchanger, four-way change-over valve are connected successively with load-side heat exchanger, described compressor is connected with described four-way change-over valve, and described choke valve is connected with described ground source heat exchanger and load-side heat exchanger respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210585495.XA CN102997361B (en) | 2012-12-28 | 2012-12-28 | Subway station ground |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210585495.XA CN102997361B (en) | 2012-12-28 | 2012-12-28 | Subway station ground |
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| CN102997361A CN102997361A (en) | 2013-03-27 |
| CN102997361B true CN102997361B (en) | 2015-08-26 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604183A (en) * | 2013-11-28 | 2014-02-26 | 青岛理工大学 | Heat pump air-conditioning system with heat exchanging achieved at front end of capillary network |
| CN103604182A (en) * | 2013-11-28 | 2014-02-26 | 青岛理工大学 | Capillary tube heat pump air-conditioning system applied to shoal |
| CN103615779A (en) * | 2013-11-28 | 2014-03-05 | 青岛理工大学 | Capillary tube network heat pump air conditioner system applied to industrial waste water heat recovery |
| CN106051971A (en) * | 2016-06-06 | 2016-10-26 | 湖北工业大学 | Subway station air conditioner system based on energy pile and solar sensible heat technology in parallel |
| CN107940645A (en) * | 2017-12-19 | 2018-04-20 | 轨道交通节能北京市工程研究中心有限公司 | Subway water pipe refrigerant hot water heat-exchange type heat-preserving anti-freezing system |
| CN108534271A (en) * | 2018-04-18 | 2018-09-14 | 梅尚幸 | A kind of cool-heat-exchanger system |
| CN108592273A (en) * | 2018-05-30 | 2018-09-28 | 西南交通大学 | Underground Station heat balance system and control system |
| CN113237157A (en) * | 2021-03-24 | 2021-08-10 | 上海市政工程设计研究总院（集团）有限公司 | Composite heat pump system suitable for subway station in severe cold area |
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| US5081848A (en) * | 1990-11-07 | 1992-01-21 | Rawlings John P | Ground source air conditioning system comprising a conduit array for de-icing a nearby surface |
| US6615601B1 (en) * | 2002-08-02 | 2003-09-09 | B. Ryland Wiggs | Sealed well direct expansion heating and cooling system |
| JP2003302122A (en) * | 2002-04-11 | 2003-10-24 | Misawa Kankyo Gijutsu Kk | Geothermal unit |
| CN2872220Y (en) * | 2005-12-06 | 2007-02-21 | 春兰(集团)公司 | Heat pump air conditioner with composite geothermal resource |
| CN101021374A (en) * | 2007-03-23 | 2007-08-22 | 东南大学 | Water heating device of ground source heat pump |
| CN101101162A (en) * | 2007-08-01 | 2008-01-09 | 中原工学院 | Air-geothermal energy double heat source synchronization composite heat pump device |
| CN101270933A (en) * | 2008-05-16 | 2008-09-24 | 山东方亚地源热泵空调技术有限公司 | Geothermal heat pump air conditioning/refrigerating compound system |
| CN101832611A (en) * | 2010-05-14 | 2010-09-15 | 北京世能中晶能源科技有限公司 | Optically, electrically and geothermally integrated air conditioning system device |
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2012
- 2012-12-28 CN CN201210585495.XA patent/CN102997361B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5081848A (en) * | 1990-11-07 | 1992-01-21 | Rawlings John P | Ground source air conditioning system comprising a conduit array for de-icing a nearby surface |
| JP2003302122A (en) * | 2002-04-11 | 2003-10-24 | Misawa Kankyo Gijutsu Kk | Geothermal unit |
| US6615601B1 (en) * | 2002-08-02 | 2003-09-09 | B. Ryland Wiggs | Sealed well direct expansion heating and cooling system |
| CN2872220Y (en) * | 2005-12-06 | 2007-02-21 | 春兰(集团)公司 | Heat pump air conditioner with composite geothermal resource |
| CN101021374A (en) * | 2007-03-23 | 2007-08-22 | 东南大学 | Water heating device of ground source heat pump |
| CN101101162A (en) * | 2007-08-01 | 2008-01-09 | 中原工学院 | Air-geothermal energy double heat source synchronization composite heat pump device |
| CN101270933A (en) * | 2008-05-16 | 2008-09-24 | 山东方亚地源热泵空调技术有限公司 | Geothermal heat pump air conditioning/refrigerating compound system |
| CN101832611A (en) * | 2010-05-14 | 2010-09-15 | 北京世能中晶能源科技有限公司 | Optically, electrically and geothermally integrated air conditioning system device |
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| CN102997361A (en) | 2013-03-27 |
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